--- libparted/labels/dos.c	2014-11-13 14:23:10.147494213 -0800
+++ libparted/labels/dos.c	2014-11-13 14:28:54.262031054 -0800
@@ -173,10 +173,12 @@ msdos_probe (const PedDevice *dev)
 	 * Loader (SBML) signature indicates a partition table, not a file
 	 * system.
 	 */
-	if ((!strncmp (part_table.boot_code + 0x36, "FAT", 3)
+       /* check below commented out to allow FAT fs images without a MBR */ 
+/*	if ((!strncmp (part_table.boot_code + 0x36, "FAT", 3)
 	    && strncmp (part_table.boot_code + 0x40, "SBML", 4) != 0)
 	    || !strncmp (part_table.boot_code + 0x52, "FAT", 3))
 		return 0;
+*/
 
 	/* If this is a GPT disk, fail here */
 	for (i = 0; i < 4; i++) {